/Engine/Source/Runtime/Engine/Classes/Engine/LevelStreamingDynamic.h
static [ULevelStreamingDynamic](API\Runtime\Engine\Engine\ULevelStreamingDynamic) * LoadLevelInstance ( const [FLoadLevelInstanceParams](API\Runtime\Engine\Engine\ULevelStreamingDynamic\FLoadLevelInstanceParams) & Params, bool & bOutSuccess )